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[syzbot] [btrfs?] KMSAN: uninit-value in extent_fiemap | 0 (1) | 2023/03/06 17:56 |
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Title | Replies (including bot) | Last reply |
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[syzbot] [btrfs?] KMSAN: uninit-value in extent_fiemap | 0 (1) | 2023/03/06 17:56 |
BTRFS info (device loop3): auto enabling async discard ===================================================== BUG: KMSAN: uninit-value in extent_fiemap+0x2ecf/0x5e30 fs/btrfs/extent_io.c:3408 extent_fiemap+0x2ecf/0x5e30 fs/btrfs/extent_io.c:3408 btrfs_fiemap+0x210/0x260 fs/btrfs/inode.c:7835 ioctl_fiemap fs/ioctl.c:219 [inline] do_vfs_ioctl+0x2f30/0x3cf0 fs/ioctl.c:810 __do_compat_sys_ioctl fs/ioctl.c:962 [inline] __se_compat_sys_ioctl+0x6e3/0x1000 fs/ioctl.c:910 __ia32_compat_sys_ioctl+0x93/0xd0 fs/ioctl.c:910 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline] __do_fast_syscall_32+0xa2/0x100 arch/x86/entry/common.c:178 do_fast_syscall_32+0x37/0x80 arch/x86/entry/common.c:203 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/common.c:246 entry_SYSENTER_compat_after_hwframe+0x70/0x82 Uninit was stored to memory at: read_extent_buffer fs/btrfs/extent_io.c:4652 [inline] btrfs_item_key fs/btrfs/accessors.h:489 [inline] btrfs_item_key_to_cpu fs/btrfs/accessors.h:603 [inline] extent_fiemap+0x206b/0x5e30 fs/btrfs/extent_io.c:3407 btrfs_fiemap+0x210/0x260 fs/btrfs/inode.c:7835 ioctl_fiemap fs/ioctl.c:219 [inline] do_vfs_ioctl+0x2f30/0x3cf0 fs/ioctl.c:810 __do_compat_sys_ioctl fs/ioctl.c:962 [inline] __se_compat_sys_ioctl+0x6e3/0x1000 fs/ioctl.c:910 __ia32_compat_sys_ioctl+0x93/0xd0 fs/ioctl.c:910 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline] __do_fast_syscall_32+0xa2/0x100 arch/x86/entry/common.c:178 do_fast_syscall_32+0x37/0x80 arch/x86/entry/common.c:203 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/common.c:246 entry_SYSENTER_compat_after_hwframe+0x70/0x82 Uninit was created at: __alloc_pages+0x9f6/0xe90 mm/page_alloc.c:5615 __alloc_pages_bulk+0x1ad/0x20d0 mm/page_alloc.c:5540 alloc_pages_bulk_array include/linux/gfp.h:201 [inline] btrfs_alloc_page_array fs/btrfs/extent_io.c:852 [inline] btrfs_clone_extent_buffer+0x445/0x11e0 fs/btrfs/extent_io.c:3745 fiemap_search_slot fs/btrfs/extent_io.c:3135 [inline] extent_fiemap+0x1cbb/0x5e30 fs/btrfs/extent_io.c:3382 btrfs_fiemap+0x210/0x260 fs/btrfs/inode.c:7835 ioctl_fiemap fs/ioctl.c:219 [inline] do_vfs_ioctl+0x2f30/0x3cf0 fs/ioctl.c:810 __do_compat_sys_ioctl fs/ioctl.c:962 [inline] __se_compat_sys_ioctl+0x6e3/0x1000 fs/ioctl.c:910 __ia32_compat_sys_ioctl+0x93/0xd0 fs/ioctl.c:910 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline] __do_fast_syscall_32+0xa2/0x100 arch/x86/entry/common.c:178 do_fast_syscall_32+0x37/0x80 arch/x86/entry/common.c:203 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/common.c:246 entry_SYSENTER_compat_after_hwframe+0x70/0x82 CPU: 0 PID: 7734 Comm: syz-executor.3 Not tainted 6.3.0-syzkaller-g81af97bdef5e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023 =====================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2023/05/05 10:51 | https://github.com/google/kmsan.git master | 81af97bdef5e | 518a39a6 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kmsan-gce-386 | KMSAN: uninit-value in extent_fiemap | ||
2023/05/03 07:53 | https://github.com/google/kmsan.git master | 81af97bdef5e | 48e0a81d | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kmsan-gce-386 | KMSAN: uninit-value in extent_fiemap | ||
2023/03/27 17:35 | https://github.com/google/kmsan.git master | 90ea0df61c98 | f8f96aa9 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kmsan-gce-386 | KMSAN: uninit-value in extent_fiemap | ||
2022/12/02 11:56 | https://github.com/google/kmsan.git master | 49a9a20768f5 | e080de16 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kmsan-gce-386 | KMSAN: uninit-value in extent_fiemap | ||
2023/02/28 14:12 | https://github.com/google/kmsan.git master | 97e36f4aa06f | 95aee97a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kmsan-gce-386 | KMSAN: uninit-value in paths_from_inode | ||
2023/02/16 19:22 | https://github.com/google/kmsan.git master | 9c866a280876 | 7338e3c4 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kmsan-gce-386 | KMSAN: uninit-value in paths_from_inode | ||
2023/02/04 23:05 | https://github.com/google/kmsan.git master | eda666ff2276 | be607b78 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kmsan-gce-386 | KMSAN: uninit-value in copy_items | ||
2023/01/26 06:38 | https://github.com/google/kmsan.git master | 41c66f470616 | 9dfcf09c | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kmsan-gce-386 | KMSAN: uninit-value in paths_from_inode | ||
2023/01/14 09:28 | https://github.com/google/kmsan.git master | e919e2b1bc1c | 529798b0 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kmsan-gce-386 | KMSAN: uninit-value in paths_from_inode | ||
2023/01/12 17:12 | https://github.com/google/kmsan.git master | 219e919e391d | 96166539 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kmsan-gce-386 | KMSAN: uninit-value in paths_from_inode | ||
2023/01/04 13:34 | https://github.com/google/kmsan.git master | 5c6259d6d19f | 1dac8c7a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kmsan-gce-386 | KMSAN: uninit-value in copy_items | ||
2022/12/24 08:16 | https://github.com/google/kmsan.git master | 5c6259d6d19f | 9da18ae8 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kmsan-gce-386 | KMSAN: uninit-value in paths_from_inode | ||
2022/12/19 11:37 | https://github.com/google/kmsan.git master | 5c6259d6d19f | 05494336 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kmsan-gce-386 | KMSAN: uninit-value in paths_from_inode | ||
2022/12/19 11:30 | https://github.com/google/kmsan.git master | 5c6259d6d19f | 05494336 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kmsan-gce-386 | KMSAN: uninit-value in paths_from_inode | ||
2022/12/15 05:10 | https://github.com/google/kmsan.git master | 5c6259d6d19f | b18f0a64 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kmsan-gce-386 | KMSAN: uninit-value in paths_from_inode | ||
2022/12/15 04:57 | https://github.com/google/kmsan.git master | 5c6259d6d19f | b18f0a64 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kmsan-gce-386 | KMSAN: uninit-value in paths_from_inode |